<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <!-- 导入 vue 文件 -->
    <script src="./lib/vue_2.5.22.js"></script>
    <script src="./lib/vue-router_3.0.2.js"></script>
  </head>
  <body>
    <!-- 被 vm 实例所控制的区域 -->
    <div id="app">
      <router-link to="/user">User</router-link>
      <router-link to="/register">Register</router-link>

      <!-- 路由占位符 -->
      <router-view></router-view>
    </div>

    <script>
      const User = {
        template: '<h1>User 组件</h1>'
      }

      const Register = {
        template: '<h1>Register 组件</h1>'
      }

      // 创建路由实例对象
      const router = new VueRouter({
        // 所有的路由规则
        routes: [
          { path: '/', redirect: '/user'},
          { path: '/user', component: User },
          { path: '/register', component: Register }
        ]
      })

      // 创建 vm 实例对象
      const vm = new Vue({
        // 指定控制的区域
        el: '#app',
        data: {},
        // 挂载路由实例对象
        // router: router
        router
      })
    </script>
  </body>
</html>
